This is a patch for Zynk Oxhyde's Roll-chan 2 and IKA's Rockman No Constancy so they can be used together. Both Japanese versions of. Rockman No Constancy is a ROM hack of Rockman 2 by Japanese ROM hacker IKA. Its features are awesome graphics, great music, and insane difficulty. Pick another rom or game version. Loading game "Rockman No Constancy Normal Edition (Rockman 2 Hack)", please wait.. Press here to show the game.